2189880

Information

• Patent Grant
• 2189880

• References
• Source

• Patent Number

  2,189,880

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1940
  85 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/5142 - Combination
  • Y10T70/7169 - Complex movement or puzzle type

• US Classifications

  • 070 - Locks